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-rw-r--r--spec/ruby/core/range/dup_spec.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/spec/ruby/core/range/dup_spec.rb b/spec/ruby/core/range/dup_spec.rb
index 976d4fd1d0..fab3c3f1b2 100644
--- a/spec/ruby/core/range/dup_spec.rb
+++ b/spec/ruby/core/range/dup_spec.rb
@@ -2,10 +2,12 @@ require_relative '../../spec_helper'
describe "Range#dup" do
it "duplicates the range" do
- copy = (1..3).dup
+ original = (1..3)
+ copy = original.dup
copy.begin.should == 1
copy.end.should == 3
copy.should_not.exclude_end?
+ copy.should_not.equal?(original)
copy = ("a"..."z").dup
copy.begin.should == "a"